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Finding the Fourth Proportional to 59,468.60, 89,078.70 and 27,905.60

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Solution

The fourth proportional to 59,468.60, 89,078.70 and 27,905.60 is: 41,800.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,468.60 : 89,078.70 = 27,905.60 : x
  2. Step 2: Convert to fraction form
    59,468.60/89,078.70 = 27,905.60/x
  3. Step 3: Cross multiply
    59,468.60x = 89,078.70 × 27,905.60
  4. Step 4: Simplify right side
    59,468.60x = 2,485,794,570.72
  5. Step 5: Solve for x
    x = 2,485,794,570.72/59,468.60
  6. Step 6: Final answer
    x = 41,800.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.